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Tiger sharks gather at French Frigate Shoals in summer, pushing other sharks to shift habitats to avoid predation, a study shows.
Tiger sharks in the Northwestern Hawaiian Islands concentrate around French Frigate Shoals during summer when fledgling seabirds arrive, triggering habitat shifts in other shark species like gray reef and Galapagos sharks to avoid predation, according to University of Hawaii Mānoa research using acoustic tracking of 128 sharks over two years.
The study reveals how seasonal seabird nesting drives marine predator behavior, highlighting a key ecological link between land and sea ecosystems.
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Los tiburones tigre se reúnen en French Frigate Shoals en verano, empujando a otros tiburones a cambiar de hábitat para evitar la depredación, según muestra un estudio.